Synthesis of isoindolo[1,3]benzoxazine derivatives through intramolecular arylation of<i>N-</i>acyliminium ions
作者:Nicolas Hucher、Adam Daïch、Bernard Decroix
DOI:10.1002/jhet.5570350644
日期:1998.11
[1,3]Benzoxazines annulated to isoindole as 3 and 4 have been synthesized in three steps from N-chloromethylphthalimide 5 and substituted phenols 6. The key step was the acid-catalyzed cyclization of ω-carbinol lactams 8 and 9.
[1,3]与N-氯甲基邻苯二甲酰亚胺5和取代的酚6分三步合成了与3和4异吲哚环化的苯并恶嗪。关键步骤是ω-甲醇内酰胺8和9的酸催化环化反应。